Last theorem on Freek Wiedijk's famous list has been formalized

satnam6502 · x · 2026-09-06

The last theorem on Freek Wiedijk's famous list of 100 notable math theorems has been formalized. A Microsoft Research veteran recalls a 2006 interview where George Gonthier's machine was grinding away on the Rocq proof of the Four Colour Theorem — an early sign of what was coming.

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